DAEWOO DTU20D4VG
Manual de Servicio

Alignment Instructions
1. AGC 1) Receive the PAL color bar signal of 60dBuV. 2) Connect a OSCILLOSCOPE PROBE to P102 ( TUNER AGC PORT ). 3) Adjust AGC voltage to maximum voltage with AGC UP KEY of SVC REMOCONE. 4) Adjust AGC VOLTAGE with AGC DOWN KEY until the voltage drop is over 2V point from maximum voltage. 2. SCREEN 1) Receive the color bar pattern and heat run over 15 minutes. 2) On the normal model adjust the screen volume that the horizontal line appears on the screen after pushing the AFT-L key on the SVC remote control unit. 3) Adjust the screen volume that the horizontal lines reach the cut-off point. 3. WHITE BALANCE 1) Set the TV normal 1 mode 2) Adjust color control to MIN. or set the color burst of white balance pattern generator on ( In case of Nitsuki, set CHROMA SW on ) 3) Set the R,G,B level to center with R,G,B UP/DOWN KEY. 4) Adjust the R,G,B UP/DOWN KEY of the color which appears abnormally on the screen to obtain WHITE BALANCE. *. In factory, adjust white balance with G,B UP/DOWN KEY on the state of fixing R to � in the high beam.( X=288, Y=301 ) 37� 5) Adjust WHITE BALANCE only in the high beam. 4. FOCUS 1) Apply a RETMA PATTERN signal. 2) Adjust the FOCUS VOLUME on FBT to obtain optimal resolution. 5. GEOMETRY 5-1. VERTICAL CENTER 1) Set the TV to NORMAL I mode. 2) Pressing the V-SIZE UP/DOWN KEY, the lower half of the screen is blanked. 3) Adjust the border line of blanked picture coincident with the mechanical center marks of the CRT using the V-CENTER UP/DOWN KEY.
5-2. VERTICAL SIZE * The VERTICAL CENTER adjustment has to be done in advance. 1) Apply a RETMA PATTERN signal. 2) Set the TV to NORMAL I mode. 3) Adjust the upper part of the picture with the V-SIZE UP/DOWN keys.

5-3. VERTICAL SLOPE * The VERTICAL SIZE adjustment has to be done in advance. 1) Apply a RETMA PATTERN signal. 2) Adjust the lower part of the picture with the V-SLOPE UP/DOWN keys. 5-4. VERTICAL S-CORRECTION 1) Apply a CROSSHATCH PATTERN signal. 2) Adjust the S-COR UP/DOWN KEY to obtain the same distance between horizontal lines. 5-5. HORIZONTAL CENTER 1) Apply a RETMA PATTERN signal. 2) Adjust picture centering with H-CENTER LEFT/RIGHT keys. ***. SETTING OF NORMAL I *** -. VG-MODEL : VG MODEL can be controlled COLOR , BRIGHTNESS of NORMAL 1. 1) Press OPTION BUTTON in SVC REMOCON. 2) In option select COLOR with PR UP/DOWN KEY and control color of NORMAL 1 with VOL MAX/MIN BUTTON 3) BRIGHTNESS of NORMAL 1 can be controlled with SUB BRI. +/- BUTTON of SVC REMOCON. -. TM-MODEL : TM MODEL can be controlled BRIGHTNESS,CONTRAST,COLOR of NORMAL 1 in SVC mode In SVC mode , 1) BRIGHTNESS of NORMAL 1 can be controlled with TREBLE MIN/MAX BUTTON of SVC REMOCON. 2) CONTRAST of NORMAL 1 can be controlled with BASS MIN/MAX BUTTO of SVC REMOCON. 3) COLOR of NORMAL 1 can be controlled with BAL MIN/MAX BUTTON of SVC REMOCON